Home / 42,972.04-64,483.08-18,010

Finding the Fourth Proportional to 42,972.04, 64,483.08 and 18,010

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Solution

The fourth proportional to 42,972.04, 64,483.08 and 18,010 is: 27,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.04 : 64,483.08 = 18,010 : x
  2. Step 2: Convert to fraction form
    42,972.04/64,483.08 = 18,010/x
  3. Step 3: Cross multiply
    42,972.04x = 64,483.08 × 18,010
  4. Step 4: Simplify right side
    42,972.04x = 1,161,340,270.80
  5. Step 5: Solve for x
    x = 1,161,340,270.80/42,972.04
  6. Step 6: Final answer
    x = 27,025.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.